 In 2006, she starred as Susan Sto Helit in a two-part adaptation of Terry Pratchett's novel "Hogfather".In 2008, Dockery played Kathryn in Channel 4's "The Red Riding Trilogy" and played the guest lead of tormented rape victim Gemma Morrison in BBC's "Waking the Dead".In 2009, she appeared in the two-part "Cranford" Christmas special for the BBC, and she also starred as the lead character, as the young governess, in a modernised BBC adaptation of "The Turn of the Screw" with her future "Downton Abbey" co-star Dan Stevens, in the role of her psychiatrist.